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State of New Jersey Department of Environmental Protection-Bureau of Flood Engineering
State of New Jersey Department of Environmental Protection
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Vincent Mazzei, Jr., P.E.
Assistant Commissioner
Watershed & Land Management
401 East State Street
Trenton, NJ 08625
PH: (609) 292-2178
FX: (609) 633-0750

NJ Department of Environmental Protection
Division of Dam Safety & Flood Engineering
Bureau of Flood Engineering
Mail Code 501-01A
501 East State Street
PO Box 420
Trenton, NJ 08625-0420

Welcome Homeowners!

As you are a New Jersey Homeowner, it is important that you are currently or in the future in the risk of flooding. The importance of the National Flood Insurance Program (NFIP) is that if your house is subjected to a flood you may receive compensation if you have purchased the NFIP. Attached Below is a link to FEMA’s Homeowners Frequently Asked Questions which include information on the Nation Flood

Insurance Program, Flood Insurance Rate Maps, Flood Insurance Study Tutorials, Flood Insurance and Elevation Certificates.

Flood Insurance


FEMA Homeowners Frequently Asked Questions  



There are also links located in the shortcut box on the left that provide links to pages about the importance of flood insurance, how to buy it and understand the cost. This a page to introduce new homeowners that may be moving into a floodway on how to purchase flood insurance and what it protects exactly. Within the shortcut box, there is also a link for NFIP lowest floor guide which will show you the lowest floor you can have based on what kind of building you are constructing or where the building may be located.

For Homeowners it is very important to know what to do in case of a Flood. There are various ways to prepare which can be seen in the link included below along with evacuation routes for each county within New Jersey State. These websites have been created for the public by the New Jersey Office of Emergency Management (NJOEM).  

Emergency Preparation
NJOEM – Preparation
NJOEM – Evacuation Maps by County




Along with the New Jersey Office of Emergency Management, there are also more sources of knowledge for the preparation in case these events were to occur. Along with these preparation resources there are recovery resources for help in case the flood impacts you in a negative way.  These can be seen below.

Emergency Preparation
Six Things to Know before a Disaster
Plans for a Disaster
Emergency Recovery Help Description
FEMA Recovery Resources
NJ Department of Community Affairs Action Plan
Information on Previous Storm Description
FEMA Hurricane Sandy Facts






The Flood Mapping Shortcut Box to the left provides various Flood Mapping sources. The FEMA Map Service Center is used to find Effective Maps, Preliminary Maps, Flood Insurance Rate Panels (FIRMS), Regulatory Products, and Non-Regulatory Products. Non-Regulatory is the Flood Risk Products which are the Maps, Reports, and Database.

Also located in the Flood Mapping Shortcut box is the FEMA National Flood Hazard Layers (NFHL) Interactive Map. This NFHL Map allows you to determine what kind of Flood Zone you may be in.

The NJ-Geoweb is an online Interactive map with various GIS Layers including environmental monitors, geology, sites and facilities, land use and many more. The Preliminary Map comparison tool is used to compare effective and preliminary maps. Along with these tools there are other ones that are helpful with mapping which can be seen below.

Flood Mapping Description
Land Use Permitting Screen

NJDEP Hotline

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Last Updated: January 9, 2023